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Print edition: June 2009

Features

The unique universe

Many cosmological theories not only see our universe as one of many but also claim that time does not exist. Lee Smolin argues against the timeless multiverse

Towards the ultimate transistor

As microchips inexorably decrease in size and enter the quantum regime, can single molecules ever replace silicon-based components? Douglas Natelson looks at the quantum limit of electronics

The strong-correlations puzzle

A solution to one of the most famous problems in theoretical physics, formulated almost 50 years ago, may at last be within reach. But as Jorge Quintanilla and Chris Hooley explain, it relies not on theory, but on experiments with ultracold atoms trapped by beams of light

Quanta

Safe for safety?

Calling all pizza tossers

Tweet your preprints

Carrot car

Frontiers

Optical cloaks edge closer

Nucleus does the double

River dance enhances fertility

The world's smallest box

Speedy camera aids medical imaging

News & Analysis

Austria in U-turn over CERN pull-out

US neutrino experiment gets under way

Sweden leads race to host European neutron facility

Neutrino beamline begins its journey from Japenese lab

Obama commits to science spending

Astronauts give Hubble a new lease of life

New NASA boss nominated

Domeward bound

Chinese synchrotron opens up

Science comes to @Bahrain

Minister unveils new nanotech centres

Cesarsky chosen as nuclear adviser

China creates quantum network

Shocking new twist on Rodin's "The Thinker"

Europe's education experiment

Cold-fusion television show angers APS

Australia boosts funding for R&D

Editorial

Educating physicists

Are you a bright recruit?

Forum

The economic-impact fallacy

Critical Point

The power of robotics

Robotics competitions supply a vital missing link in science and engineering education, says Robert P Crease

Feedback

Swanning about

Boundaries of science

Questions of attribution

Comments from physicsworld.com

Reviews

Computing tomorrow's weather

Poor old Pluto

All about antimatter

Big science in Oxfordshire

Careers

Don't panic

The job market for new graduates and career-changers in 2009 is not great, but there are signs that physicists may be better equipped than most, as Margaret Harris explains

Once a physicist: Scott Russell Sanders

The essayist and English professor with his roots in physics

Careers and people

Lateral Thoughts

Weapons of mass instruction